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Lesechka [4]
3 years ago
12

A hypothesis does not need to be correct for an experiment to be successful because

Chemistry
1 answer:
son4ous [18]3 years ago
6 0
That is true because a hypothesis is like a conclusion, a thinking of what could happen
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1. first nuclear reactor
Semenov [28]
Correct me if I am wrong but I believe the answer is in order of the numbered statements
6, 7, 1, 4, 3, 5, 2

5 0
3 years ago
Describe how a compound different from the elements that make it up?
Shkiper50 [21]

Answer:  The difference between an element and a compound is that an element is a pure substance that is made of only one element, but a compound is 2 or more elements together

Explanation:

3 0
3 years ago
Read 2 more answers
1. If you have a sample of gas at a pressure of 16 atm, what will the pressure be if the volume is halved?
vagabundo [1.1K]

Answer:

1. The pressure will be 32 atm, twice the initial pressure.

2. The pressure will be 1.83 atm, one third of the initial pressure.

Explanation:

Boyle's law is one of the gas laws that relates the volume and pressure of a certain quantity of gas kept at a constant temperature.

This law says that "The volume occupied by a given gaseous mass at constant temperature is inversely proportional to pressure." This means that if the pressure increases, the volume decreases, while if the pressure decreases, the volume increases.

Boyle's law is expressed mathematically as:

Pressure * Volume = constant

or P * V = k

Ahora es posible suponer que tienes un cierto volumen de gas V1 que se encuentra a una presión P1 al comienzo del experimento. Si varias el volumen de gas hasta un nuevo valor V2, entonces la presión cambiará a P2, y se cumplirá:

P1*V1=P2*V2

1. In this case:

  • P1= 16 atm
  • V1
  • P2= ?
  • V2= V1÷2= \frac{V1}{2} because the volume is halved.

So:

16 atm*V1= P2* \frac{V1}{2}

Solving:

\frac{16 atm*V1*2}{V1}=P2

16 atm*2= P2

32 atm= P2

<u><em>The pressure will be 32 atm, twice the initial pressure.</em></u>

2. Now

  • P1= 5.5 atm
  • V1
  • P2= ?
  • V2= V1*3 because the volume is tripled.

So:

5.5 atm*V1= P2* V1*3

Solving:

\frac{5.5 atm*V1}{3*V1}=P2

\frac{5.5 atm}{3}= P2

1.83 atm= P2

<u><em>The pressure will be 1.83 atm, one third of the initial pressure.</em></u>

7 0
3 years ago
For a single component system, why do the allotropes stable at high temperatures have higher enthalpies than allotropes stable a
solniwko [45]

Answer:

The difference in the magnetic orientation influences the thermal stability of the allotropes of iron.

Explanation:

It is known that the allotropes of iron exist in three phases: α - phase, β- phase, and γ-phase. However, two prominent structures are the  α - phase and γ-phase. Now, let us look at the two phrases:

α - phase

This structure is a body-centered cube. It means that the unit cell structure resembles a cube. The lattice points are in the face of the cube. This subsequently affects the magnetic structure of the iron allotrope.

γ-phase

This allotrope has a lattice structure. It simply means that the structure has lattice points on the face of the cube. The structure generally affects the magnetic properties of the transitional metal; hence the stability of the γ-phase compared to α-phase.

8 0
4 years ago
HELP FAST PLS !!!!!!!!!!!!!!!!
miv72 [106K]

Answer:

The Peruvian area of the jungle, living in the high trees is the monkey's habitat.

(I'm not fully sure what a niche is) but:

Feeding on hazelnuts and scavenging for food along the jungle floor is the monkey's niche.

Explanation:

I really hope I was able to help!

Good luck and have a great day :)

4 0
3 years ago
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